valueOf

Returns the enum constant of this type with the specified name.
The string must match exactly an identifier used to declare an
enum constant in this type. (Extraneous whitespace characters are
not permitted.)

toString

getDisplayName

Convenience method to return a CardType string (e.g. "Visa", "American Express", "JCB",
"Maestro", "MasterCard", or "Discover") suitable for display. This string will be translated
into the language specified. See CardIOActivity.EXTRA_LANGUAGE_OR_LOCALE for a
detailed explanation of languageOrLocale.